Disconnect/connect battery ground line

AR54.10-P-0003PM

Disconnect/connect battery ground line

11.01.2019

Model

463.236/248

up to model year 2015

with code 979 (Special protection MB Guard)

with code E26 (Auxiliary battery)

with code ZS6 (Special protection version FB6)

Model

463.236/248

up to model year 2015

with code 979 (Special protection MB Guard)

with code E26 (Auxiliary battery)

with code ZS7 (Special protection version FB7)

Model

463.242

up to model year 2015

with code E26 (Auxiliary battery)

A

Cup holder

B

Battery box cover

G1

Battery

Shown in rear legroom

1

Power supply unit enabled

2

Power supply unit interrupted

3

Main battery switch

G1/3

Additional battery

W10/4

Additional battery ground connection

 

Remove/install

 Danger

Risk of explosion from explosive gas. Risk of poisoning and caustic burns from swallowing battery electrolyte. Risk of injury through burns to skin and eyes from battery acid or when handling damaged lead-acid batteries

No fires, sparks, open flames or smoking. Wear acid-resistant gloves, clothing and glasses. Only pour battery acid into suitable and appropriately marked containers.

AS54.10-Z-0001-01A

1

Activate service mode in TELEAID (emergency call system) (Telematic Alarm Identification on Demand)

Model 463.248 up to 4/1/07
up to model year 2015
with code 979 (Special protection MB Guard)
with code E26 (Auxiliary battery)
with code ET2 (MB phone with integr. Tele Aid emergency call sys.)
with code ZS6 (Special protection version FB6)
Model 463.248 up to 4/1/07
up to model year 2015
with code 979 (Special protection MB Guard)
with code E26 (Auxiliary battery)
with code ET2 (MB phone with integr. Tele Aid emergency call sys.)
with code ZS7 (Special protection version FB7)

AR82.95-P-0005-03GR

Information on Tele Aid emergency call system

Model 463.248 up to 4/1/07
up to model year 2015
with code 979 (Special protection MB Guard)
with code E26 (Auxiliary battery)
with code ET2 (MB phone with integr. Tele Aid emergency call sys.)
with code ZS6 (Special protection version FB6)
Model 463.248 up to 4/1/07
up to model year 2015
with code 979 (Special protection MB Guard)
with code E26 (Auxiliary battery)
with code ET2 (MB phone with integr. Tele Aid emergency call sys.)
with code ZS7 (Special protection version FB7)

AH82.95-P-0001-01GA

2

Disconnect battery main switch (3)

 For working on the on-board electronics, the ground line of battery (G1) need not be removed; only the battery main switch (3) must be disconnected.

 The battery main switch (3) is located next to the battery (G1) under a cover in the rear footwell.

3

Remove cup holder (A)

 Only with front and rear cupholder.

4

Remove battery box cover (B)

5

Detach ground cable at battery (G1)

Topical note

Notes on battery

AH54.10-P-0001-01A

 The ground line of the additional battery (G1/3) in the right rear stowage box only needs to be disconnected if consumers are connected to this additional battery.

 Battery (G1) in the rear footwell.

6

Install in the reverse order

7

Deactivate service mode in Tele-Aid emergency call system

Model 463.248 up to 4/1/07
up to model year 2015
with code 979 (Special protection MB Guard)
with code E26 (Auxiliary battery)
with code ET2 (MB phone with integr. Tele Aid emergency call sys.)
with code ZS6 (Special protection version FB6)
Model 463.248 up to 4/1/07
up to model year 2015
with code 979 (Special protection MB Guard)
with code E26 (Auxiliary battery)
with code ET2 (MB phone with integr. Tele Aid emergency call sys.)
with code ZS7 (Special protection version FB7)

AR82.95-P-0005-03GR

Information on Tele Aid emergency call system

Model 463.248 up to 4/1/07
up to model year 2015
with code 979 (Special protection MB Guard)
with code E26 (Auxiliary battery)
with code ET2 (MB phone with integr. Tele Aid emergency call sys.)
with code ZS6 (Special protection version FB6)
Model 463.248 up to 4/1/07
up to model year 2015
with code 979 (Special protection MB Guard)
with code E26 (Auxiliary battery)
with code ET2 (MB phone with integr. Tele Aid emergency call sys.)
with code ZS7 (Special protection version FB7)

AH82.95-P-0001-01GA

8

Perform basic programming

Model 463.236/248
up to model year 2015
with code 979 (Special protection MB Guard)
with code E26 (Auxiliary battery)
with code ZS6 (Special protection version FB6)
Model 463.236/248
up to model year 2015
with code 979 (Special protection MB Guard)
with code E26 (Auxiliary battery)
with code ZS7 (Special protection version FB7)

AR00.19-P-0200P

9

Read out fault memory and erase



Model 463.236/248
up to model year 2015
with code 979 (Special protection MB Guard)
with code E26 (Auxiliary battery)
with code ZS6 (Special protection version FB6)
Model 463.236/248
up to model year 2015
with code 979 (Special protection MB Guard)
with code E26 (Auxiliary battery)
with code ZS7 (Special protection version FB7)
Model 463.242
up to model year 2015
with code E26 (Auxiliary battery)

AD00.00-P-2000-04A

 Diagnostic system: Stored faults caused by installation or testing work, disconnected lines or simulation, must be processed and deleted in the fault memories after completing the work.